介绍一下 RealityKit

Asked on 2025-07-03

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RealityKit is a powerful framework developed by Apple that provides high-performance 3D simulation and rendering capabilities for apps on iOS, iPadOS, macOS, and visionOS. It is designed to enable developers to create immersive spatial computing apps and games by seamlessly blending 3D content with the real-world environment.

Key features of RealityKit include:

  • Cross-Platform Capabilities: RealityKit supports multiple Apple platforms, allowing developers to write their app once and deploy it across iOS, macOS, iPadOS, and visionOS with minimal code changes. This cross-platform support extends to the latest TVOS as well.

  • Integration with SwiftUI and ARKit: RealityKit works in conjunction with SwiftUI and ARKit to provide a comprehensive toolkit for building spatial experiences. This integration allows for easy content positioning and interaction within SwiftUI views.

  • Advanced Rendering and Simulation: RealityKit offers realistic rendering styles, including realistic, cel-shaded, and cartoon styles. It also supports advanced features like dynamic lights, mesh instances, and environment blending.

  • Support for Immersive Media: RealityKit includes support for immersive video playback, including 180°, 360°, and wide field of view videos. It also introduces new components for presenting images and spatial scenes, enhancing the way media is displayed in apps.

  • New APIs and Features: Recent updates to RealityKit have introduced new APIs for spatial tracking, gesture handling, and post-processing effects, among others. These updates make it easier to create interactive and visually appealing 3D experiences.

For more detailed information, you can explore sessions like Discover RealityKit APIs for iOS, macOS, and visionOS and What’s new in RealityKit from WWDC.